Sling assembly



FIG. 1 is a perspective view embodying the inventive design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof, with the rear view being a mirror image;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a right view thereof, with the left view being a mirror image.

The broken lines shown in the FIG. 4 of the drawing are for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a sling assembly, as shown and described. 